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Grade 20 Cast Iron vs. N12160 Nickel

Grade 20 cast iron belongs to the iron alloys classification, while N12160 nickel belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 20 cast iron and the bottom bar is N12160 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
210
Elongation at Break, % 9.6
45
Fatigue Strength, MPa 69
230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 69
80
Shear Strength, MPa 180
500
Tensile Strength: Ultimate (UTS), MPa 160
710
Tensile Strength: Yield (Proof), MPa 98
270

Thermal Properties

Latent Heat of Fusion, J/g 280
360
Melting Completion (Liquidus), °C 1380
1330
Melting Onset (Solidus), °C 1180
1280
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 46
11
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
90
Density, g/cm3 7.5
8.2
Embodied Carbon, kg CO2/kg material 1.5
8.5
Embodied Energy, MJ/kg 21
120
Embodied Water, L/kg 44
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13
260
Resilience: Unit (Modulus of Resilience), kJ/m3 27
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 5.8
24
Strength to Weight: Bending, points 8.7
22
Thermal Diffusivity, mm2/s 13
2.8
Thermal Shock Resistance, points 6.0
19

Alloy Composition

Carbon (C), % 3.1 to 3.4
0 to 0.15
Chromium (Cr), % 0
26 to 30
Cobalt (Co), % 0
27 to 33
Iron (Fe), % 92.1 to 93.9
0 to 3.5
Manganese (Mn), % 0.5 to 0.7
0 to 1.5
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
25 to 44.4
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.9
0 to 0.030
Silicon (Si), % 2.5 to 2.8
2.4 to 3.0
Sulfur (S), % 0 to 0.15
0 to 0.015
Titanium (Ti), % 0
0.2 to 0.8
Tungsten (W), % 0
0 to 1.0